Winds could blow smoke from the Bear Gulch fire burning on the Olympic Peninsula, bringing the potential for unhealthy air ...

Official air-quality results for Kyrene de la Sierra Elementary School show elevated levels of potentially harmful chemicals.

An air quality advisory has been issued for Mason County as the Bear Gulch Fire continues to burn north of Lake Cushman.

Any bit of sunshine in the forecast today will be met with not just extra clouds but also some haze and upper level smoke. Overnight into Thursday morning, we'll see lesser smoke and improved air ...

Ozone pollution in Portland, Gresham and other cities could reach unhealthy levels for sensitive groups Tuesday afternoon.

An air quality alert was reported by the National Weather Service on Tuesday at 12:17 p.m. in effect until 8 p.m. for ...

While not everyone will be impacted by air quality on Wednesday, those who have been sensitive to poor air quality this season will need to take precautions.

Researchers at The University of Alabama in Huntsville (UAH) have published a paper in Communications Earth & Environment ...